have the attention span of a gnat

have the attention span of a gnat

To be easily distracted. My son has the attention span of a gnat, I swear. If I tell him to do something, he forgets about it almost instantly! We all have the attention span of gnats after so many years of multitasking.
See also: attention, gnat, have, of, span
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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